An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Toxics Release Inventory (TRI) Program

2012 TRI National Analysis Basic Data Files

The downloadable data files on this webpage contain the Toxics Release Inventory (TRI) data for calendar year 2012, originally made available in the fall of 2013. Please note that these files don't reflect any data revisions or withdrawals submitted by facilities since the fall of 2013. If you're looking for the most current 2012 TRI data, please see the TRI Basic Data Files or TRI Basic Plus Data Files webpages.

The "Basic" data files each contain the 100 most-requested data fields from the TRI Reporting Form R and Form A. The data in these files are presented in comma-delimited text format. For detailed descriptions of the contents of these files, see the Guidance for Using Historical TRI "Basic" Data Files.

The types of data in TRI Basic data files include:

  • Facility name, address, latitude and longitude coordinates, and industry sector SIC or NAICS codes
  • Chemical identification and classification information
  • On-site release quantities
  • Publicly-Owned Treatment Works (POTW) transfer quantities
  • Quantities transferred off site for release/disposal and further waste management
  • Summary pollution prevention quantities (Section 8 of the Form R)